that forms on teeth and encourages the growth of harmful bacteria 牙斑；牙菌斑一compare scale
rr;(10) plasma /'plaezma/
(also plasm /’plaezam/) noun [U]
1
(fc/'o/ogy 生 or med/cfl/ 医）tiie dear ■
liquid part ot blood, in which the blood cells, etc. float jfil^ 2 (phystcs ^j) a gas that contains
approximately equal numbers of positive and negative electric charges and is
present in the sun and most stars等离子体；_等离子气体
.plasma 'screen a type of television
or computer screen that is larger and thinner than most screens and produces a
very clear image (电视机或电脑的。）等离子
屏幕
plasma T'V noun a television set with a plasma screen ’等离子电视
plas-ter /'pla:st8(r); NAmE 'plaes-/ noun, verb a noun "I [U] a
substance made of lime, water and sand, that
is put on walls and ceilings to give them a smooth hard surface 灰泥：an old home with
crumbling plaster and a Zeafcing roo/ —挢灰泥剥落、屋顶漏水的i房子
2
(also less frequent ,plaster of '
O PAGE R25
_ verfc [VN] 1 to cover a wall, etc. with
plaster 抹灰；用灰
泥抹（墙等）2 〜sb/sth
inAvith sth to cover sb/s由
with a wet or sticky substance 用…涂抹：She plastered herself
in suntan lotion. 0
We
were
postered介om head to/oot vWtft mud.我丨门浑身±下都沾
满了泥。3 [+0^^./;?/^/?.] to make your hair fiat and stick
to your head把（头发）梳平；使头发粘在（头上> : Ms wet hair was /Mastered to his head•他那湿透的头发 紧贴在头皮上。4 to completely cover a
surface with pictures or posters 贴满，jk贴（画片或招
贴画）：She had pZ〇5tered
her bedroom waH with photos o/him.她在卧室的墙上贴满了他的照片。◊ She had photos of him plastered all over her
bedroom wall 他的照贴满了卧室的墙。◊ rhe next day their picture waspZastered aH over the
newspapers.第二天，他们的照
片被刊登在各家报纸上。,plaster
‘over sth to cover sth such as a crack or an old wall with plaster 用灰泥抹（裂缝或旧墙）
plas-ter-board /'pla:st0ba:d; NAmE 'plaest8rbo:rd/ (also 'dry wall) no^ri [U] a building material made of sheets of cardboard
with plaster between them, used for inside walls and ceilings灰泥板；纸面石裔板
'plaster cast noun 1 (also cast) a case made of plaster of Paris that covers a broken bone and protects it (固 定骨折部位的）石裔绷带，石裔夹一 picture o page R25 2 a copy of sth, made from plaster of Paris 石青横 型：TTiey took a pZaster
cast 〇/ the teeth /or
ident(/iica- ticm purposes.他们做了这副牙的石膏模型作鉴别之用。
plas-tered /'plaistad; NAmE 'plaestard/ adj. [not before noun] drunk 醉：to be/get postered 喝醉酒
plas-terer /'pla:stara(r); NAmE 'plaes-/ noun a person whose job is to put plaster on
walls and ceilings 抹灰
泥水匠；粉刷工
plaster of Paris /.plaistar av
'paeris; NAmE .plaes-/ noun [U] = plaster n.[2)
.plaster 'saint noun a person who tries to
appear to have no moral faults or weaknesses, especially when this appearance
is false道貌岸然者；（尤指）伪圣人，
伪君子，、，
plas-ter-work /'pla:st0W3：k; NAmE 'plaest0rw3：rk/ noun [U] the dry plaster on ceilings when it has been formed into
shapes and patterns for decoration (天花 板的r石裔装饰图案
plas-tic
/'plaestik/
noun, adj. a noun 1 [U, G, usually pi.] a light strong
material that is produced by chemical processes and can be formed into shapes
when heated. There are many different
1513 plate
of plastic,' used to
make different objects and :cs.塑料：The pipes shouW be
made 〇/ plastic. 这些管子应该是用塑料制作的。◊ a sheet 0/dear
pkutic 张透明的塑料◊ the pkwric
industry塑料工业
3
plastics [U] the science of
making plastics 塑料学
4
[U] {informal) a way of talking about
credit cards 信每卡：Do they tofce pkisric?他们收信用卡吗？
■ ad；/. *1 made of plastic 塑料制的；塑料的：a plastic bag/cup/toy 塑知•袋 / 杯 / 玩具
2 (oi
a material or substance 材料或物质）easily formed into
different shapes 可塑的；★塑性.舍
Cin malleable： Clay is a pZastic substance•黏土是可塑物质。3 (d/s耶/?raw‘/?g) that seems artificial; .false; not real or
sincere #作的；虚伪
的；.矫饰的.CCT71 false ： TV game
show hosts with their bcmaZ remarks and pkzstic smi7es 语言陈腐、笑容刻
板的电视竞赛节目主持人
.plastic 'arts noun [pi.] [technical art forms that
involve making models or
representing things so that they seem solid 造型:艺术：The plastic arts include scuipture/ pottery and
pafnting•造型免术包括雕塑、陶艺
和绘画。
.plastic 'bullet noun a bullet made of
plastic, that is intended to injure but not to kill people 塑料手弹；橡
虔子弹
.plastic ex'plosive noun [U, C] an explosive that is used to ma(e bombs 塑性炸药 Plas-ti-cine™ /'plasstasim/ noun [U] (6r£) a soft substance
like clay that is made in different colours, used
especially by children for making models 普莱斯蒂辛橡 皮泥
plas.ti.city /plae’stisati/ rj〇w/7 .[u] 术语）the
quality of being easily made
into different shapes 可塑
性；塑性
plas-ti-cize [BrE also -ise) /'plaestisaiz/ verb [VN] (fec/7- n/.cfl,术语)to add sth to a substance so that it becomes easy to
bend and form into different shapes 使增塑；使
塑化；使可塑
.plastic 'surgeon noun a doctor who is
qualified to perform plastic surgery 整形外科医生 .plastic 'surgery noun [U] medical operations
to repair injury to. a person’s skin, or to improve a
person’s appearance —形手术；整形外科
'plastic wrap noun [u] {NAm£) = cling film plate /pleit/ noun, verb m noun
►
FOOD 食物 1 [C] a flat, usually
round, dish tiiat you put
food on 子；碟子：..sandwiches
on a piate 盘手上的三
.明治◊ a piie
o/dirtypZates —摞脏盘子◊ di/inerpiates 餐 盘 2 [C] the amount of food
that you can put on a plate 一盘命盛之量;.一盘：a piate 0/sandwiches —盘三明治
0
two
large plates of pasta —compare
plateful 3 [C] (especially
请尝尝这道海鲜。
►
FOR STRENGTH.强化用 4 [C] a thin flat piece of metal，
used
especially to join or make sth stronger (金属）■板 条，板材：TTie tanks were mafnZy
constructed 〇/ steeZ pZates.这些坦克车主要是用钢板制造的。◊ She had a metai p〖ate fnserteci in her
arm.她的胳膊里嵌着一块接
骨板。
►
FOR INFORMATION 提供•:信息 5 [C] a flat piece of metal with some
information on .it，for example sb’s name
(刻有名字等的）金属牌子：A brasspkite beside
the door said ®rA〖an Tate’.门旁的铜牌上写着“艾伦•泰特
医生’’ 0
—
see also nameplate
►
ON VEHICLE 车辆i 6 [usually pi.] the pieces of metal or
plastic at the front and back of a vehicle with numbers and letters on it .{车辆的■)号码牌 一 see also L-plate，
LICENSE PLATE, NUMBER PLATE
►
SI1VER/G0LD 银；：金 7 [U] ordinary metal that is covered with a thin layer
of silver or gold 镀金（或镀银）的金
属：.TTie curfery is pZate, not
soHd silver.这套#具是*银 如，不是纯银的。一see also gold plate,
silver plate, tinplate 8 [U] dishes, bowls, etc. that are made of
silver or gold金的（或备的）餐具
►■ON ANIMAL 动物 9 [C] (fc/_o/ogy 生）one of the thin flat